systemd: backport patch to fix parallel build failure

systemd: backport patch to fix parallel build failure

Backport patch to fix parallel build failure like below.

       In file included from ../git/src/core/dbus-manager.c:10:
       ../git/src/basic/build.h:4:10: fatal error: version.h: No such file or directory
       #include "version.h"
                 ^~~~~~~~~~~
       compilation terminated.

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>